Private Investigators Mysteries

Atticus Riot took a bullet to his head the day his partner was killed. Three years later, Riot returns to San Francisco to put his ghosts to rest, but the abduction of an heiress snags his attention. Two ransom demands are delivered, and the husband of the abducted Isobel Kingston is hiding the truth. The clock is ticking. Can Riot find Mrs. Kingston in time, or will she become one more regret among many?

When wealthy and popular crusader and reformer Lester Pierce is gunned down in front of his Park Avenue residence, the public outcry forces the NYPD to restructure its homicide department. As the deceased was highly critical of Inspector Lionel Cramer, the longtime head of homicide is temporarily relieved of his badge. But it seems Cramer was not just a scapegoat. He was seen dining in Little Italy with mob kingpin Ralph Mars. If Cramer's provisional replacement, Captain George Rowcliff, becomes permanent, PI Nero Wolfe's future dealings with the force will be much compromised.

Voodoo mambo Mama Mulate suffers a fate worse than death A grieving couple hires paranormal investigator Wyatt Thomas to find the person who killed their son. But is it murder if the victim isn’t dead? Wyatt goes undercover to discover the answer and soon learns death isn’t always a person’s worst fate. Will Wyatt solve the sticky mystery or fall victim to the seemingly supernatural killer and suffer a fate worse than death? Half Past Midnight is Book 10 of Eric Wilder’s intoxicating French Quarter Mystery Series set in that ‘exotic, erotic Mecca known as New Orleans. Visit the ...

In New York City, three intriguing, smart, and stylish private investigators open Holmes, Marple & Poe Investigations. Who are these detectives with famous names and mysterious, untraceable pasts? The agency’s daring methodology and headline-making solves attract the attention of NYPD Detective Helene Grey. Her solo investigation into her three unknowable competitors will delight mystery fans.

A young woman is dead, and another is missing. Two cases worlds apart. When an old friend throws Cutter a case involving the disappearance of a young woman from Detroit’s most prominent family, he sees an opportunity to make some quick cash to keep the bookies off his back. But he soon realizes his client’s problems are a lot more sinister than he thought and finds himself in too deep.

Annie McIntyre has a love/hate relationship with Garnett, Texas. Recently graduated from college and home waitressing, lacking not in ambition but certainly in direction, Annie is lured into the family business—a private investigation firm—by her supposed-to-be-retired grandfather, Leroy, despite the rest of the clan's misgivings.

Professor Olive Twist has come to Zinnia, Mississippi, to study a mysterious grave wherein lies the Lady in Red, a perfectly preserved and stunningly beautiful but unnamed and unclaimed body. Olive claims she can not only identify the corpse, she can also prove the woman’s scandalous role in the nation’s history. Olive takes it a step too far, though, when she starts connecting elite Zinnia families with the same scandal. Dander up, Zinnia’s society ladies know only one way to handle Olive: They call on the private investigative services of Sarah Booth Delaney.

Ever since Angie Russo woke up from a near fatal run-in with a coffee maker, she's been able to talk to - and even worse, understand - one very spoiled tabby named Octavius. He says his owner was murdered and that she's the only one who can help bring the killer to justice. And, well, that's just the first of the wonderfully whacky mysteries they solve together. Add in a traumatized terrier witness and two murderous Sphynx cats who speak only in riddles, toss on your favorite deerstalker cap, and let's go sleuthing!

World famous concert pianist Felix Lansman has a collection of postcards sent to him anonymously. He is sure they are from the love of his life, Jamie McLeash. But Jamie disappeared six years ago - the night Felix’s father was murdered. Police failed to make any arrests and the case was closed. Was Jamie a suspect and if so, why is he sending the postcards? Felix wants Ian to find out.

New York Times best-selling author Max Allan Collins has won multiple Shamus Awards for his detective novels featuring Nathan Heller. The third book in his JFK trilogy, Ask Not finds Heller investigating a bizarre string of deaths among the witnesses to JFK’s assassination—and tracing blame to LBJ’s right-hand man.

THE TWO MASSACHUSSETS HOMICIDE COPS WONDERED WHY I WAS MENTIONED SO PROMINENTLY IN A MURDERED NUN'S OLD DIARY. I knew why. Many years before she became Sister Veronica, Ronnie Frost was a vivacious college co-ed -- and my lover. I always wondered what became of her after she mysteriously disappeared. I also knew I had to find out who killed her! Was her murder random? Or tied to something in her past? IF YOU LIKE STRONG CHARACTERIZATIONS, GREAT DIALOGUE AND SURPRISES, PULITZER-NOMINEE LAWRENCE DE MARIA’S ALTON RHODE MYSTERIES ARE IN A CLASS BY THEMSELVES.” (John Crudele, New York Post);...

January 1910. A journalist has been killed in a suspicious blaze. Everything points to a group of suffragettes, but the apparent culprit insists she is innocent. When Lady Hardcastle receives a letter from a suffragette requesting her urgent help, the retired spy turned sleuth knows only she stands between an accused young woman and the gallows. Evidence at the scene makes Lizzie Worrel’s innocence difficult to believe, and with the police treating it as an open-and-shut case of arson, Lady Hardcastle faces a barrage of resistance as she tries to dig out the truth.

Gus Murphy and his girlfriend, Magdalena, are put in harm's way when Gus is caught up in the distant aftershocks of heinous crimes committed decades ago in Vietnam and Russia. Gus' ex-priest pal, Bill Kilkenny, introduces him to a wealthy businessman anxious to have someone look more deeply into the brutal murder of his granddaughter. Though the police already have the girl's murderer in custody, they have been unable to provide a reason for the killing.

Mick's oldest friend is in trouble. A seemingly successful boxing career has left him broke, battered, and about to lose his family. The sharks are circling for whatever scraps are left from the glory days, and now in his darkest hour, the people who said they would be there have turned their backs. He wants to fight for his family, but the years have taken their toll, and all his family sees is an angry old man with a failing memory.

Jeremy Sawyer was having a great time on a party barge on Lake Travis, and then he was suddenly nowhere to be found. Had he jumped? Fallen off? Been pushed? Roy Ballard - an expert in catching insurance cheats - intends to find out. After all, Jeremy Sawyer was the nephew of one of his biggest clients, and she can't shake the suspicion that it wasn't an accident. It isn't long before Roy and his partner Mia Madison begin to draw the same conclusion.

The prize possession of former football hero, part-time media personality, and full-time blowhard BJ Baker has been stolen from his palatial Palm Beach home. Baker has called in the mayor, the police, the sheriff, and everyone else he can co-opt into the search. But if he really wants the person who can find it, one name keeps coming up: Miami Jones. Problem is, he can't stand Jones. And the feeling is mutual.

Far beneath the sands of Alexandria, an archaeological team digs deeper than anyone has before, seeking an ancient power older than the pyramids. What they unearth is an evil that threatens the whole world. First it targets the worst of humanity: Ex-Nazis, Central American warlords, and the pushers who peddle drugs to children are found massacred, ripped limb from limb without having fired a shot in their own defense. But the next to die will be ordinary people.

When a local man is found murdered in an English Trust stately home, the community is shaken to its core. None more so than newcomer Astrid Swift, who finds the body. When she moved from London to the sleepy Dorset village and got a job at the house as an art restorer, she thought she was heading for a quieter life. Far from it. Because it turns out that rather than being the genteel organisation it seems on the surface, the Trust is a hotbed of politics and intrigue. As Astrid's new friend Kath from the village says: 'It's like the mafia, but with scones.'

A new novel from Mulholland Books / Little, Brown and Company, publishing September 2025.

In this seventh series installment, a ship that vanished (along with everyone on board) 25 years ago has reappeared. Hired to investigate, Seattle PI Harper Blaine soon uncovers evidence that a powerful being may be responsible. Meanwhile, local police detective Rey Solis attempts to solve the mystery of the death of a passenger’s wife.